VARIATIONS OF ATMOSPHERIC POLLUTANTS CONCENTRATIONS AND THEIR CORRELATION WITH METEOROLOGICAL FACTOR IN JILIN CITY IN 2018

GAO Chan-juan; ZHAO Qi-chao; DING Ruo-nan; ZHANG Jin-ming; LI Ying-hua; DONG Chun-xin

doi:10.13205/j.hjgc.202105010

Volume 39 Issue 5

Jan. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2021 > 39(5): 71-79

GAO Chan-juan, ZHAO Qi-chao, DING Ruo-nan, ZHANG Jin-ming, LI Ying-hua, DONG Chun-xin. VARIATIONS OF ATMOSPHERIC POLLUTANTS CONCENTRATIONS AND THEIR CORRELATION WITH METEOROLOGICAL FACTOR IN JILIN CITY IN 2018[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(5): 71-79. doi: 10.13205/j.hjgc.202105010

Citation:

GAO Chan-juan, ZHAO Qi-chao, DING Ruo-nan, ZHANG Jin-ming, LI Ying-hua, DONG Chun-xin. VARIATIONS OF ATMOSPHERIC POLLUTANTS CONCENTRATIONS AND THEIR CORRELATION WITH METEOROLOGICAL FACTOR IN JILIN CITY IN 2018[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(5): 71-79. doi: 10.13205/j.hjgc.202105010

Citation:

GAO Chan-juan, ZHAO Qi-chao, DING Ruo-nan, ZHANG Jin-ming, LI Ying-hua, DONG Chun-xin. VARIATIONS OF ATMOSPHERIC POLLUTANTS CONCENTRATIONS AND THEIR CORRELATION WITH METEOROLOGICAL FACTOR IN JILIN CITY IN 2018[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(5): 71-79. doi: 10.13205/j.hjgc.202105010

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VARIATIONS OF ATMOSPHERIC POLLUTANTS CONCENTRATIONS AND THEIR CORRELATION WITH METEOROLOGICAL FACTOR IN JILIN CITY IN 2018

doi: 10.13205/j.hjgc.202105010

College of Resource and Environmental Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China

Received Date: 2020-04-06
Available Online: 2022-01-17

Abstract

Abstract

The statistical method, Pearson correlation coefficient method and linear regression method were adopted to analyse the variation characteristics of the concentrations of SO₂, NO₂, PM₁₀, PM_2.5, CO and O₃, the correlation between pollutants concentrations, as well as the relationship between pollutants and meteorological factors in Jilin city in 2018. The results showed that:1) the exceeding standard rate of daily average value of O₃, PM₁₀ and PM_2.5 concentrations in Jilin city account for 1.06%, 3.27% and 7.14%, respectively; consequently, air pollution control should focus on particles, O₃ and their precursors; the pollution of CO, SO₂, NO₂, PM₁₀ and PM_2.5 were more serious in spring and winter, and the less in summer; the concentration of pollutants varied periodically with seasons, hour and human activities. 2) The concentrations of PM₁₀ and PM_2.5, PM_2.5 and CO, as well as NO₂ and CO, were highly correlated with each other (correlation coefficients r were all above 0.8), and the prediction linear model was established in this research. 3) The concentration of pollutants (except O₃) was negatively correlated with temperature, wind speed and mixed layer height, but positively correlated with air pressure; precipitation had a certain reduction effect on SO₂, PM₁₀ and PM_2.5 concentration, the percentage of pollutant concentration reduced after precipitation were 68.75%, 84.38% and 78.13%, respectively; the particles, the most seriously pollutant in Jilin city, were greatly affected by mixed height, wind speed and precipitation. This study could provide references for air pollution control, calculation of regional atmospheric environmental capacity and prediction of air pollution potential and elated researches in Jilin city.
- Jilin city,
- air pollutants,
- variation characteristics,
- meteorological factors,
- correlation

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References(37)

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